Part of the rebuild or restoration process of a classic motorcycle engine, like the unbelievable CBX6, is the refurbishment of the carburettors. When as many new parts are used to replace the old worn items as possible, the better the results will be.
Or you could take the easy way out and fit, where available, a new unused carburettor/s? Check these out: 16101MA241516102MA241516103MA241516104MA241516104MA241516106MA2415.
Alternative choices and related components: